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2026-01-11 - 18:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Jan 11, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23357211553,7sleep30-21swapper/307:08:343
18143210948,6sleep10-21swapper/107:05:071
18586210896,7sleep20-21swapper/207:05:162
23399210696,7sleep00-21swapper/007:09:070
284432640,1sleep30-21swapper/308:35:203
76052580,0sleep30-21swapper/307:50:193
231952510,0sleep20-21swapper/208:30:222
2364699330,31cyclictest0-21swapper/107:45:121
2365199310,15cyclictest0-21swapper/209:00:122
2364699291,26cyclictest0-21swapper/107:40:111
2365199270,26cyclictest0-21swapper/207:44:072
2364699270,26cyclictest0-21swapper/110:04:381
2364699270,26cyclictest0-21swapper/109:59:451
2364699270,26cyclictest0-21swapper/108:36:171
2364699270,26cyclictest0-21swapper/108:17:131
2364699260,2cyclictest0-21swapper/107:50:071
2364699260,25cyclictest0-21swapper/112:08:401
2364699260,25cyclictest0-21swapper/111:37:211
2364699260,25cyclictest0-21swapper/111:03:131
2364699260,25cyclictest0-21swapper/109:30:021
2364699260,25cyclictest0-21swapper/108:53:081
2364699260,25cyclictest0-21swapper/108:08:161
2364699260,25cyclictest0-21swapper/107:32:501
2364299260,25cyclictest0-21swapper/012:01:490
23651992523,1cyclictest0-21swapper/207:35:012
23646992518,7cyclictest0-21swapper/111:53:391
2364699250,24cyclictest0-21swapper/110:55:541
2364699250,24cyclictest0-21swapper/110:26:411
2364699250,24cyclictest0-21swapper/109:29:411
2364699250,24cyclictest0-21swapper/109:29:401
2364699250,24cyclictest0-21swapper/107:27:221
2365199240,2cyclictest0-21swapper/212:10:092
23646992423,1cyclictest0-21swapper/111:49:361
23646992422,2cyclictest0-21swapper/111:29:451
23646992416,7cyclictest0-21swapper/108:44:081
2364699240,23cyclictest0-21swapper/109:11:581
115402240,1sleep3391ktimersoftd/310:15:193
2365199230,22cyclictest0-21swapper/209:17:352
23646992321,2cyclictest0-21swapper/112:04:371
23646992316,7cyclictest0-21swapper/112:20:461
2364699231,21cyclictest0-21swapper/110:50:181
2364699231,16cyclictest0-21swapper/107:35:211
2364699230,22cyclictest0-21swapper/112:30:491
2364699230,22cyclictest0-21swapper/109:50:121
2364299238,7cyclictest0-21swapper/007:40:150
23651992220,2cyclictest0-21swapper/209:27:412
23651992220,2cyclictest0-21swapper/209:27:402
2365199220,21cyclictest0-21swapper/211:27:362
2365199220,21cyclictest0-21swapper/211:05:252
2365199220,21cyclictest0-21swapper/208:22:552
2365199220,21cyclictest0-21swapper/207:20:012
2365199220,16cyclictest0-21swapper/208:37:172
23646992215,7cyclictest0-21swapper/110:08:121
23646992215,7cyclictest0-21swapper/109:01:231
23646992215,7cyclictest0-21swapper/108:30:461
2364699220,21cyclictest0-21swapper/111:14:181
2364699220,21cyclictest0-21swapper/110:43:111
2364699220,21cyclictest0-21swapper/110:23:451
2364699220,21cyclictest0-21swapper/110:16:171
2364699220,21cyclictest0-21swapper/108:46:141
2364699220,16cyclictest6238-21latency_hist11:10:001
2364299220,21cyclictest0-21swapper/009:45:000
23651992118,2cyclictest750-21snmpd10:32:592
2365199210,21cyclictest0-21swapper/210:42:232
2365199210,20cyclictest0-21swapper/212:05:042
2365199210,20cyclictest0-21swapper/212:01:072
2365199210,20cyclictest0-21swapper/209:20:172
2365199210,20cyclictest0-21swapper/207:37:082
2364699212,10cyclictest0-21swapper/107:10:181
23646992118,2cyclictest0-21swapper/108:26:041
23646992117,3cyclictest0-21swapper/111:57:151
23646992116,2cyclictest32516-21cat07:15:161
23646992115,3cyclictest31262-21chrt10:35:121
2364699211,18cyclictest0-21swapper/112:35:121
2364699210,3cyclictest0-21swapper/109:22:321
2364699210,2cyclictest0-21swapper/109:05:321
2364699210,20cyclictest0-21swapper/111:21:151
2364699210,20cyclictest0-21swapper/111:15:431
2364699210,20cyclictest0-21swapper/109:45:201
2364699210,20cyclictest0-21swapper/109:37:261
23642992119,1cyclictest750-21snmpd11:02:220
23642992119,1cyclictest750-21snmpd10:50:260
23651992018,1cyclictest750-21snmpd11:18:512
23651992018,1cyclictest750-21snmpd09:39:432
23651992018,1cyclictest750-21snmpd08:19:502
23651992018,1cyclictest750-21snmpd08:13:252
23651992018,1cyclictest750-21snmpd08:09:462
23651992018,1cyclictest750-21snmpd07:16:242
23651992017,2cyclictest750-21snmpd10:57:512
23651992017,2cyclictest750-21snmpd09:12:052
23651992017,2cyclictest750-21snmpd08:51:502
23651992016,3cyclictest0-21swapper/210:13:122
2365199200,19cyclictest0-21swapper/211:44:332
2365199200,19cyclictest0-21swapper/210:45:202
23646992018,2cyclictest0-21swapper/112:19:191
23646992018,2cyclictest0-21swapper/109:19:411
23646992017,3cyclictest0-21swapper/110:31:561
23646992016,3cyclictest0-21swapper/107:21:461
2364699200,2cyclictest0-21swapper/109:40:501
2364699200,2cyclictest0-21swapper/108:13:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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